noteplayer

NOTEPLAYER.JS

Installation:

git clone
npm install

Node.js module

var np = require('notePlayer') 

plain JS import

<script type="text/javascript" src="https://cdn.rawgit.com/laopunk/notePlayer/master/lib/notePlayer.min.js"></script>

//the module is instanciated in the object np, which you can use right away
np.buildFromName("C4").play()

Constructors

There are several ways to instanciate the class:

• buildFromFrequency(freq,[audioContext])

Builds a notePlayer from a specific frequence. audioContext is created if not provided.

n = np.buildFromFrequency(440);     //will return a A4
n = np.buildFromFrequency(439);     //will return a A4
n = np.buildFromFrequency(460);     //will return a A#4

• buildFromKeyNb(noteKeyNb, [audioContext])

Builds a notePlayer from a specific piano key number audioContext is created if not provided

n = np.buildFromKeyNb(49);     //will return a A4

• buildFromName(noteName, [audioContext])

  Builds a notePlayer from a specific musical note name audioContext is created if not provided

n = np.buildFromName("A4")     //will return a A4

Methods

• play([callback])

  Plays the note

n = np.buildFromName("A4")
n.play(function(){
  console.log("end play")
})

Setters:

• setAudioContext(audioContext)
• setDestinationNode(node)
• setDuration(duration)
• setVolume(volume)